Shuujin-P

Shuujin-P (囚人P ) also known as "Nekoromin" (ねころみん / 猫ロ眠) is a producer known for making Prisoner / PaperPlane, which became hits. He's also an author of a few series such as the Prisoner Series and the New Millennium Series.

His P name came from his first and most notable work Shuujin / Prisoner by Kagamine Len.